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- K.500 Twelve variations for piano in B flat (1786, Vienna)
- K.501 Andante and five variations for piano by four hands, in G (1786, Vienna)
- K.502 Trio in B flat for piano, violin, violoncello (1786, Vienna)
- K.503 Concerto for piano in C [No.25] (1786, Vienna)
- K.504 Symphony in D [No.38] «Prague» (1786, Vienna)
- K.505 Scena and rondo for soprano "Ch'io miscordi di te." and "Non temer, amato bene." with violin ad lib. (1786, Vienna)
- K.506 Song (Lied der Freiheit) for one voice "Wer unter eines Maedchens Hand" with piano (1785, Vienna)
- K.507 Canon a 3 in F "Heiterkeit und leichtes Blut" (1786, Vienna)
- K.508 Canon a 3 in F "Auf das Wohl alter Freunde" (1786, Vienna)
- K.508A Canon a 3 in C (1786, Vienna)
- K.508a 1-2 Two canons a 3 in F (1786, Vienna)
- K.508a 3-8 & K.desunt Fourteen canons a 2 in F (1786, Vienna)
- K.509 Six German dances (1787, Prague)
- K.511 Rondo for piano in A minor (1787, Vienna)
- K.512 Recitative and Aria for bass "Alcandro, lo confesso. Non so d'onde viene." (1787, Vienna)
- K.513 Aria for bass "Mentre ti lascio, o figlia." (1787, Vienna)
- K.515 Quintet in C for 2 violins, 2 violas, violoncello (1787, Vienna)
- K.516 Quintet in G minor for 2 violins, 2 violas, violoncello (1787, Vienna)
- K.517 Song (Die Alte) for one voice "Zu meiner Zeit" with piano (1787, Vienna)
- K.518 Song (Die Verschweigung) for one voice "Sobald Damoetas Chloen sieht" with piano (1787, Vienna)
- K.519 Song (Das Lied der Trennung) for one voice "Die Engel Gottes weinen" with piano (1787, Vienna)
- K.520 Song (Als Luise die Briefe ihres ungetreuen Liebhabers verbrannte = When Louisa burnt her faithless lover's letters) for one voice "Erzeugt von heisser Phantasie" with piano (1787, Vienna)
- K.521 Sonata for piano by four hands, in C (1787, Vienna)
- K.522 Ein musikalischer Spass (Musical joke)
for 2 violins, viola, bass, 2 horns (1787, Vienna)
- K.523 Song (Abendempfindung) for one voice "Abend ist's" with piano (1787, Vienna)
- K.524 Song (An Chloe) for one voice "Wenn die Lieb' aus deinen blauen" with piano (1787, Vienna)
- K.525 Eine kleine Nachtmusik in G [Serenade No.13] for 2 violins, viola, cello, contrabass (1787, Vienna)
- K.526 Sonata in A for piano and violin, in A [No.42] (1787, Vienna)
- K.527 Il dissoluto punito, ossia Il Don Giovanni [Dramma giocoso / opera buffa] (1787, Vienna - Prague)
- K.528 Scena and aria for soprano "Bella mia fiamma, addio!" and "Resta, oh cara." (1787, Prague)
- K.529 Song "Des kleinen Friedrichs Geburtstag" (1787, Prague)
- K.530 Song "Das Traumbild" (1787, Prague)
- K.531 Song "Die kleine Spinnerin" (1787, Vienna)
- K.533 Sonata for piano in F [No.18] (1788, Vienna)
- K.534 Contredance «Das Donnerwetter» in D (1788, Vienna)
- K.535 Contredance «La Bataille» in C (1788, Vienna)
- K.536 Six German dances (1788, Vienna)
- K.537 Concerto for piano «Coronation» in C [No.26] (1788, Vienna)
- K.538 Aria for soprano "Ah, se in ciel, benigne stelle." (1788, Vienna)
- K.539 German warsong "Ich möchte wohl den Kaiser sein" (1788, Vienna)
- K.540 Adagio for piano in B minor (1788, Vienna)
- K.541 Ariette for Bass "Un bacio di mano" (1788, Vienna)
- K.542 Trio in E flat for piano, violin, cello (1788, Vienna)
- K.543 Symphony in E flat [No.39] (1788, Vienna)
- K.545 Sonata for piano in C [No.15] (1788, Vienna)
- K.546 Adagio and Fugue in C minor for 2 violins, viola and bass (1788, Vienna)
- K.547 Sonata for piano and violin, in F [No.43] (1788, Vienna)
- K.548 Trio in C for piano, violin, cello (1788, Vienna)
- K.549 Canzonetta for 2 sopranos and bas "Piu non si trovano." (1788, Vienna)
- K.550 Symphony in G minor [No.40] (1788, Vienna)
- K.551 Symphony (Jupiter) in C [No.41] (1788, Vienna)
- K.553 Canon in C "Alleluja" (1788, Vienna)
- K.554 Canon in F "AVe Maria" (1788, Vienna)
- K.555 Canon in A minor "Lacrimoso son'io" (1788, Vienna)
- K.556 Canon in G "G'rechtelt's enk" (1788, Vienna)
- K.557 Canon in F minor "Nascoso è il mio sol" (1788, Vienna)
- K.558 Canon in B flat "Gehn wir im Prater, gehn wir in d'Hetz" (1788, Vienna)
- K.559 Canon in F "Difficile lectu mihi mars" (1788, Vienna)
- K.559a Canon in F "O du eselhafter Peierl" (1788, Vienna)
- K.561 Canon in A "Bona nox, bist a rechta Ox" (1788, Vienna)
- K.562 Canon in A "Caro bell'idol mio" (1788, Vienna)
- K.562e (Anh.66) Trio in G for violin, viola, violoncello. (fragment) (1790/91, Vienna)
- K.563 Divertimento in E-flat for violin, viola, violoncello (1788, Vienna)
- K.564 Trio in G for piano, violin, cello (1788, Vienna)
- K.566 Händel's pastoral «Acis und Galatea» (1788, Vienna)
- K.567 Six German dances (1788, Vienna)
- K.568 Twelve minuets (1788, Vienna)
- K.570 Sonata for piano in B flat [No.16] (1789, Vienna)
- K.571 Six German dances (1789, Vienna)
- K.572 Händel's Oratorium «Der Messias» (1789, Vienna)
- K.573 Nine variations in D for piano on a minuet by J.P.Duport (1789, Potsdam)
- K.574 Eine kleine Gigue in G (1789, Leipzig)
- K.575 Quartet in D for 2 violins, viola, violoncello (1789, Vienna)
- K.576 Sonata for piano in D [No.17] (1789, Vienna)
- K.577 Rondo for soprano "Al desio, di chi t'adora." (1789, Vienna)
- K.578 Aria for soprano "Alma grande e nobil core" (1789, Vienna)
- K.579 Aria for soprano "Un moto di gioia mi sento" (1789, Vienna)
- K.580 Aria for soprano "Schon lacht der holde Frühling" (1789, Vienna)
- K.581 Quintet (Stadler-Quintet) in A for clarinet, 2 violins, viola, violoncello
- K.582 Aria for soprano "Chi sa, chi sa, qual sia." (1789, Vienna)
- K.583 Aria for soprano "Vado, ma dove? Oh Dei!" (1789, Vienna)
- K.585 Twelve Minuets (1789, Vienna)
- K.586 Twelve German dances (1789, Vienna)
- K.587 Contredance "Der Sieg vom Helden Coburg" (1789, Vienna)
- K.588 Cosi fan tutte, ossia La scuola degli amanti [Opera buffa] (1789-90, Vienna)
- K.589 Quartet in B flat for 2 violins, viola, violoncello (1790, Vienna)
- K.590 Quartet in F for 2 violins, viola, violoncello (1790, Vienna)
- K.593 Quintet in D for 2 violins, 2 violas, violoncello (1790, Vienna)
- K.594 Adagio in F minor and Allegro in F for organ (1790, Vienna)
- K.595 Concerto for piano in B flat [No.27] (1791, Vienna)
- K.596 Song "Sehnsucht nash dem Fruhling (Longing for Spring)" for one voice (1791, Vienna)
- K.597 Song "Im Fruhlingsanfang" for one voice (1791, Vienna)
- K.598 Song "Das Kinderspiel" for one voice (1791, Vienna)
- K.599 Six minuets (1791, Vienna)
Click Köchel number (Köchel 6 in parenthese) to see an explaining page in Japanese.